New posts in Quaternions

How can $i^2 = k^2 = j^2 = ijk = -1$ be true?

Why are There No "Triernions" (3-dimensional analogue of complex numbers / quaternions)?

Cauchy-Riemann equation analogue but for the quaternions

Differences between Quaternion integration methods

Are j and k on different imaginary planes than i?

Why should quaternions exist?

Clarification of definition of "inverse" with quaternions

What is the motivation for quaternions?

Conversion of rotation matrix to quaternion

Proving that $\mathbb R^3$ cannot be made into a real division algebra (and that extending complex multiplication would not work)